diff --git a/lib/omniauth/amazon-sp-api/version.rb b/lib/omniauth/amazon-sp-api/version.rb
index 7ee5b80..3ff84e1 100644
--- a/lib/omniauth/amazon-sp-api/version.rb
+++ b/lib/omniauth/amazon-sp-api/version.rb
@@ -1,5 +1,5 @@
 module OmniAuth
   module AmazonSpApi
-    VERSION = '2.0.0'.freeze
+    VERSION = '1.0.0'.freeze
   end
 end